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B. H. TINGLEY May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 1 no O:

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Nnfl OON mwN N0 m2 O: mm nON ATTORNEY B. 1-1. TINGLEY May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 2 N G INVENTOR.

3 BRUCE 1-1. TINGLEY Y ATTORNEYv y 16, 1961 B. H. TINGLEY 2,984,411

KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 3 a 2 n 2 z; 2 :3 S N N N v N N INVENTOR BRUCE H. TINGLEY ATTORNE B. H. TINGLEY May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 4 mom inn Mn? no? g g INVENTOR. a 5 BRUCE H.TlNGl EY -BY J1 L JIL ATTORNEY.

25 Sheets-Sheet 5 mmN an llllll |l ILLJZZAM' ATTORNEY B. H. TINGLEY KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 y 1961 B. H. TINGLEY 2,984,411

KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 sheets-sheet 6 DIJDD DUDUDDD INVENTOR.

BRUCE H. TINGLEY BY 3;; J11

ATTORNEY.

B. H. TINGLEY May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 7 g i'INVENTOR. UCE H.T|NGLEY I 00 00- mm BR Na mmw AT TOR NEY.

B. H. TINGLEY May 16, 19 1 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 8 mow ATTORNEY.

May 16, 1961 B. H. TINGLEY KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 sheets she'et 9 YMN ATTORNEY.

B. H. TINGLEY- May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 10 u N m W A B. H. TINGLEY 2,984,411

KEY RESPONSIVE MULTIPLYING mm PRINTING CALCULATOR May 16, 1961 25 Sheets-Sheet 11 Filed May 12, 1954 INVENTOR. BRUCE H. TINGLEY BY j ATTORNEY KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 B. H. TINGLEY May 16, I961 25 Sheets-Sheet 12 lNVENTOR BRUCE H. TINGLEY ATTORNEY May 16, 1961 B. H. TINGLEY 2,984,411

KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 13 INVENTOR. BRUCE H. TINGLEY BY L ATTORNEY.

May 16, 1961 B. H. TINGLEY 2,934,411

KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 sheets sheet 14 FIG. l2.

INVENTOR. BRUCE H. TINGLEY ATTORNEY.

y 6, 1961 B. H. TINGLEY 2,984,411

KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 15 INVENTOR. BRUCE H.TINGLEY BY 114mm ATTORNEY B. H. TINGLEY May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 16 INVENTOR. BRUCE H. TINGLEY ATToR y EY.

B. H. TINGLEY May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR 25 Sheets-Sheet 1'7 Filed May 12, 1954 INVENTOR. BRUCE H. TINGLEY ATTORNEY.

May 16, 1961 B. H. TINGLEY 2,934,411

KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 18 INVENTOR. BRUCE H. TINGLEY BY x4111144 AT TORNEY 2 0 q N b m N N B. H. TINGLEY May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 19 INVENTOR. BRUCE H. TINGLEY ATTORNEY.

B. H. TINGLEY May 16, 1961 KEY RESPONSIVE MULTIPLYING AND PRINTING CALCULATOR Filed May 12, 1954 25 Sheets-Sheet 20 awn hon

INVENTOR. BRUCE H. TINGLEY BY J1 L J i I z ATTORNEY. 

